The first installment of tax on the 2020 Grand List was due July 1, 2021. The last day to pay the July 1, 2021 installment without penalty is August 2, 2021 (US Postmark).

• Payments not bearing a US Postmark must be received by August 2, 2021 to avoid interest, per CT Statute 12-146. 
• Office hours are Monday-Wednesday 8:30-4:30, Thursday 8:30-6:30, Friday 8:30-Noon. 
• To pay by credit, debit or electronic check visit www.madisonct.org/taxpayments, or to pay by phone call 855-857-3353.  Convenience fees do apply.